Home / 192,379.95-265,479.70-105,161.18

Finding the Fourth Proportional to 192,379.95, 265,479.70 and 105,161.18

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Solution

The fourth proportional to 192,379.95, 265,479.70 and 105,161.18 is: 145,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,379.95 : 265,479.70 = 105,161.18 : x
  2. Step 2: Convert to fraction form
    192,379.95/265,479.70 = 105,161.18/x
  3. Step 3: Cross multiply
    192,379.95x = 265,479.70 × 105,161.18
  4. Step 4: Simplify right side
    192,379.95x = 27,918,156,927.74
  5. Step 5: Solve for x
    x = 27,918,156,927.74/192,379.95
  6. Step 6: Final answer
    x = 145,119.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.